The hex color #59f18f is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#A60E70. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#8CFFC2, and Hex
#26BE5C is the 20% darker color. If the color is saturated by 10%, you get
#52F98E. If the color is desaturated by 10%, the color
#60E990 is obtained.